<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Title</title>
	<link rel="stylesheet" href="http://127.0.0.1">
</head>
<body>
<form action="/info" method="post">
	<input type="text" name="userName">
	<button>提交</button>
</form>
</body>
</html>